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A215469 as a simple table

na(n)
01
12
23
33
44
53
62
74
85
94
105
113
122
135
143
155
166
175
184
194
203
215
226
233
242
256
262
275
283
293
304
316
327
336
345
355
367
374
384
394
403
413
427
435
443
456
467
473
482
497
502
516
522
537
545
555
563
573
583
597
604
614
625
637
648
657
666
676
685
695
705
715
724
737
744
754
768
774
784
794
803
813
828
833
845
857
865
875
883
893
906
916
923
937
948
953
962
978
982
997

[1,2,3,3,4,3,2,4,5,4,5,3,2,5,3,5,6,5,4,4,3,5,6,3,
 2,6,2,5,3,3,4,6,7,6,5,5,7,4,4,4,3,3,7,5,3,6,7,3,2,
 7,2,6,2,7,5,5,3,3,3,7,4,4,5,7,8,7,6,6,5,5,5,5,4,7,
 4,4,8,4,4,4,3,3,8,3,5,7,5,5,3,3,6,6,3,7,8,3,2,8,2,
 7]